tici tests: remove pytest.main (#31622)

pytest.main is bad!

selfdrive/test/test_onroad.py

@@ -424,4 +424,4 @@ class TestOnroad(unittest.TestCase):
 
 
 if __name__ == "__main__":
-  pytest.main()
+  unittest.main()

system/hardware/tici/tests/test_hardware.py

@@ -25,4 +25,4 @@ class TestHardware(unittest.TestCase):
 
 
 if __name__ == "__main__":
-  pytest.main()
+  unittest.main()

system/hardware/tici/tests/test_power_draw.py

@@ -1,6 +1,5 @@
 #!/usr/bin/env python3
 from collections import defaultdict, deque
-import sys
 import pytest
 import unittest
 import time
@@ -132,4 +131,4 @@ class TestPowerDraw(unittest.TestCase):
 
 
 if __name__ == "__main__":
-  pytest.main(sys.argv)
+  unittest.main()